lod边收缩
.........\apple.ply
.........\big_porsche.ply
.........\cat.ply
.........\cow.ply
.........\Debug
.........\.....\BuildLog.htm
.........\.....\glmodelwin.obj
.........\.....\glmodelwin.sbr
.........\.....\main.obj
.........\.....\main.sbr
.........\.....\mesh.obj
.........\.....\mesh.sbr
.........\.....\oglpmesh.bsc
.........\.....\oglpmesh.exe
.........\.....\oglpmesh.exe.embed.manifest
.........\.....\oglpmesh.ilk
.........\.....\oglpmesh.pch
.........\.....\oglpmesh.pdb
.........\.....\pmesh.obj
.........\.....\pmesh.sbr
.........\.....\polydemo.res
.........\.....\triangle.obj
.........\.....\triangle.sbr
.........\.....\vc60.idb
.........\.....\vc60.pdb
.........\.....\vc80.idb
.........\.....\vc80.pdb
.........\.....\vec3.obj
.........\.....\vec3.sbr
.........\.....\vertex.obj
.........\.....\vertex.sbr
.........\glmodelwin.cpp
.........\glmodelwin.h
.........\hind.ply
.........\huge_bunny.ply
.........\main.cpp
.........\mesh.cpp
.........\mesh.h
.........\oglpmesh.dsp
.........\oglpmesh.dsw
.........\oglpmesh.ncb
.........\oglpmesh.opt
.........\oglpmesh.plg
.........\oglpmesh.suo
.........\oglpmesh.vcproj
.........\oglpmesh.vcproj.HP.Administrator.user
.........\pmesh.cpp
.........\pmesh.exe
.........\pmesh.h
.........\polydemo.aps
.........\polydemo.rc
.........\readme.txt
.........\resource.h
.........\triangle.cpp
.........\triangle.h
.........\vec3.cpp
.........\vec3.h
.........\vertex.cpp
.........\vertex.h